Editor Preferences export failing

Editor preferences are not successfully exporting in //UE5/Release-5.1

This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901
This issue is NOT occurring in Binary //UE5/Release-5.0 at CL 20979098

Marked as Regression

1. Create a new blank project
2. Edit > Editor Preferences > Export
3. Select Save
   Result
   "Export settings failed"
   Expected
   "Export settings succeeded"